Anmelden
1940s: Underpainting and rough sketch of buildings. Sketch of woman's face. Sketch of flowers. Sketch of wheel and invention.
United States CIRCA 1960s: Organelles moving in cytoplasm. Organelles. Person turns knob on science equipment. Man looks into electron microscope. Microscopic view of structure of organelle.
USA - 1988 - Biologists use mixers, computers, and other equipment to begin the study of cytoplasm.
United States CIRCA 1960s: Illustration of ATP molecules firing off energy. Mitochondria in plant cells. Illustration of chloroplast.
White snow has fallen on the tree branches, it is blowing snow from the air. Video motion. Soft selective focus.
drawing tree animation
United States CIRCA 1960s: Baby killdeers sit gathered in ground nest. Female killdeer pretends to have broken wing. Flock of crows sit in treetop.

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1040462210
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Stock-Video ID: 1040462210

1930s: Illustration of mistletoe on limb of tree. Cross-section of limb and mistletoe. Arrows point to root system of mistletoe in limb of tree. Animated roots grow in limb.

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